More than a job

Livelihood

the way someone earns the money to pay it’s needs

Living

Just a job

Occupation

Person's regular employment

Vocation

a strong feeling of suitability for a particular career

Trade

skilled manual or technical occupation

Profession

career that requires formal academic education

Job

is a broader role or comprehensive unit of work (countable)

Task

is a single, specific responsibility or step that must be completed to achieve that larger job. You are not paid for doing it.

Work

Like job, but uncountable