Fetching details from the dictionary...

assistance; support; help; aid
subsidy; supplement; subvention; grant-in-aid
spotting (in weight training)
この装置は歩行が困難な人を輔助するために開発された。
This device was developed to assist people who have difficulty walking.
政府は中小企業に対する輔助金を増額した。
The government increased subsidies for small and medium enterprises.
輔助的な役割を果たすスタッフを増員した。
Additional staff were hired to fill a supporting role.