つと勤tsutoめるmeruつと務tsutoめるmeru
1.
To engage in a job or role as a member of an organization, fulfilling responsibilities assigned by a contract or agreement.
2.
To perform duties or tasks entrusted to one with a sense of accountability and commitment, often within a structured group or institution.
3.
To make earnest efforts to fulfill a task or obligation that has been assigned, striving to achieve specific goals associated with that role.
Example:
私の父は外務省に勤めている。