one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

volunteering, service activity, labor of love

active person / political activist

active (given to action rather than contemplation)

(physiology) action potential

extracurricular activities; club activities / school club