to be a help to one―help to do something―tend to do something―have a share in doing something―be instrumental in doing something―contribute to some result―conduce to some state―go far towards the result―do much towards the result―make for some state
Are you in need of help?
to help a person out of a difficulty
to put anything in requisition―call anything into requisition―(ご用立ての意味なら)―place anything at one's service―place anything at one's disposal
make a plea for help
need the spur