Mining equipment mechanics install, remove, maintain and repair mining equipment.

Mining geotechnical engineers in mining perform engineering, hydrological and geological tests and analyses to improve the safety and efficiency of mineral operations. They oversee the collection of samples and the taking of measurements using geotechnical investigation methods and techniques. They model the mechanical behaviour of the rock mass and contribute to the design of the mine geometry.

Ministers of religion lead religious organisations or communities, perform spiritual and religious ceremonies and provide spiritual guidance to members of a particular religious group. They may undertake missionary work, pastoral or preaching work, or work within a religious order or community, such as a monastery or convent. Ministers of religion perform duties such as leading worship services, giving religious education, officiating at funerals and marriages, counselling congregation members and offer a range of other community services, both in conjunction with the organisation they work for, and through their own personal day to day activities.

Missionaries supervise the execution of missions of outreach from a church foundation. They organise the mission and develop the mission's goals and strategies, and ensure the mission's goals are executed, and policies implemented. They perform administrative duties for record maintenance, and facilitate communication with the relevant institutions in the mission's location.

Mixed farmers are responsible for managing all aspects of livestock and crop production as a small enterprise or for self-sufficiency.

Mobile app developers implement applications software for mobile devices, based on the designs provided, using general or specific development tools for device operating systems.

Mobile crane operators work with a variety of crane types that can be moved easily around the road, rail and water. Mobile cranes are often mounted on trucks.

Mobile devices technicians carry out proper fault diagnosis to improve the quality of mobile devices and repair them. They provide information related to a number of services, including warranties and after-sale services.

Mobile phone repair technicians run tests to assess the mobile phones' functionality, install and update phone software, troubleshoot wiring problems, and replace damaged parts and components such as batteries, LCD screens, keypads, buttons. They also advise their clients on warranty issues and recommend products based on their expertise.

Model makers create three-dimensional scale models or various designs or concepts and for various purposes, such as models of human skeletons or organs. They also mount the models on display stands so that they can be used for their final purpose such as inclusion in education activities.

Modern languages lecturers are subject professors, teachers, or lecturers who instruct students who have obtained an upper secondary education diploma in their own specialised field of study, modern languages, which is predominantly academic in nature. They work with their university research assistants and university teaching assistants in the preparation of lectures and of exams, for grading papers and exams and for leading review and feedback sessions for the students. They also conduct academic research in their respective field of modern languages, publish their findings and liaise with other university colleagues.

Modern languages teachers at secondary schools provide education to students, commonly children and young adults, in a secondary school setting. They are usually subject teachers, specialised and instructing in their own field of study, modern languages. They prepare lesson plans and materials, monitor the students’ progress, assist individually when necessary, and evaluate the students’ knowledge and performance on the subject of modern languages through assignments, tests and examinations.

Monks/nuns dedicate themselves to a monastic lifestyle. They vow to take part in sprititual works as part of their religious community. Monks/nuns take part in daily prayer and often live in self-sufficient monasteries or convents alongside other monks/nuns.

Montessori school teachers educate students using approaches that reflect the Montessori philosophy and principles. They focus on constructivist and "learning through discovery" teaching models, through which they encourage students to learn from first-hand experience rather than through direct instruction and thus provide the students with a relatively high level of freedom. They adhere to a specific curriculum that respects the students' natural, physical, social and psychological development. Montessori school teachers also teach classes with students differing up to three years in age in rather large groups, manage, and evaluate all the students separately according to the Montessori school philosophy.

Mortgage brokers handle mortgage loan applications from clients, collect loan documentation and search for new mortgage lending opportunities. They complete and close mortgage loan processes for their clients.

Mortgage loan underwriters ensure compliance with underwriter guidelines. They participate in the implementation of new underwriting guidelines. They also review closed and denied loans.

Motion picture film developers develop film material into visible videos and material. They develop the footage into different formats, such as 65-70mm and 8mm, and presentations, such as black and white and colour. They work small cine-films per request of clients.

Motorcycle assemblers fasten motorcycle parts and components together such as frames, wheels, engines etc. To do so, they use hand tools, power tools and other equipment such as CNC machines or robots. They read technical plans and use automated assembling equipment to build motorcycles. They inspect individual parts for malfunctions and check the quality of assemblies to make sure the standards are met and the specifications respected.

Motorcycle delivery persons perform the transportation of all kinds of packets containing objects, loose pieces, prepared meals, medications and documents that require special treatment in terms of urgency, value or fragility. They transport and deliver their packets by motorcycle.

Motorcycle driver instructors teach people the theory and practice of how to operate a motorcycle safely and according to regulations. They assist students in developing the skills needed to ride and prepare them for the theory test and the practical riding test.

Motor vehicle aftersales managers maximise sales by closing business on an ongoing basis. They negotiate with existing clients for contract renewals. They maintain contracts, deal with claims, manage warranty, and investigate damages on products.