do one's bit

Help the cause

To do one's bit is to contribute one's share to a collective effort, especially during difficult times.

The phrase originated during World War I when citizens were urged to support the war effort however they could: Everyone must do their bit for the cause.

It implies modest but meaningful participation—not heroics, but reliable contribution to something larger than oneself.

Related

assist · civic-mindedness · obligation · donate · coordinate · go the extra mile · help · volunteer · give back · chip in · roll up sleeves · work together · all hands on deck · accountability · unite · join forces · activism · solidarity

Opposites
contribution vs. shirking

do one's bitfree-ride

Benefit without personal cost

cop out · slack off · duck out · free ride · freeload

helpfulness vs. hindrance

do one's bitsabotage

Deliberate disruption of operations

hinder · obstruct · drag one's feet · throw a wrench in the works

selflessness vs. selfishness

do one's bitlook out for number one

Favor your own interests

turn one's back · desert · defect

Family

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

Familiarity
Top 500,000
Profile
Timeless · Abstract · Positive · Everyday, not technical · Rated G