to earn (income), to make (money), to score (points, victory), to gain (time), to play (for time), to work hard (at one's job), to labor, to labour, to toil
出稼ぎ【でかせぎ】
working away from home (esp. abroad), person working away from home, migrant worker
稼働【かどう】
operation (of a machine), running, working (and earning money)