do one's part

Share the load

Do one's part means to contribute what is expected or appropriate to a shared effort.

The phrase implies collective responsibility—everyone has a role, and fulfilling yours matters: We all need to do our part to keep the neighborhood clean.

It often carries moral weight, suggesting duty or civic obligation: Do your part and vote.

Related

pull your weight · input · accountability · altruism · reciprocity · pitch in · solidarity · mutuality · chip in · commitment · community spirit · stewardship · social contract · partnership · shared responsibility · role · duty-bound · step up

Opposites
contribution vs. non-contribution

do one's partfreeload

Take without reciprocating

slack off · free ride · mooch · shirk · coast

effort vs. passivity

do one's partdo nothing

Remain inactive deliberately

stand by · sit on one's hands · twiddle one's thumbs · loaf · laze about

fairness vs. exploitation

do one's parttake advantage

Use opportunistically for benefit

game the system

Family

does, done, doing, doer, doers, undone, undoing, one, ones

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Positive · Everyday, not technical · Rated G