Wiktionary
lend a helping hand
vb. assist or facilitate (in some endeavour).
Usage examples of "lend a helping hand".
It was only boys' play now, but the kind heart and pure instincts of one lad showed the others how to lend a helping hand to a comrade in danger, and win him away from temptation to the safer pastimes of their more guarded lives.
You can often lend a helping hand just by knowing more than the applicant.
Willoughby, a cousin and friend of Miss Le Mesurier's, was not of the sort to lend a helping hand in the game if the girl was to provide the sport—.
Urbain Street boy to begin with, he remembered well his own early hardships, and he liked to lend a helping hand.
I'm always willing to lend a helping hand to a fellow conspirator along the road to survival if he's willing to do the same for me.