an assistant (person who assists)

to help; to assist

will you marry me

a job; an occupation; work / job, work (task) / (physics) work, change of energy

to work

(film, television, radio) an assistant director

(chiefly women's speech) first person singular pronoun: I, me

private; mine

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness