To Help
To Assist, To Lend A Hand
transitive verb, godan verb
てつだう
助ける (たすける) To Help, To Save, To Rescue
手伝う (てつだう) To Help, To Assist, To Lend A Hand
手渡す (てわたす) To Hand Over
I'll Lend A Hand 手伝う by using my hand 手 to transmit 伝う information.