ёрӣ додан: to help
Help your mother.
Ман шуморо барои ин ҷеғ задам, ки ба ман ёрӣ диҳед.
I called you so that you could help me.
додан: to give
The first sentence could also be translated, “Give help to your mother”.
Lots of Tajik verbs combine a noun with the verb додан. Here are some others:
хабар додан: to inform, to give information
ҷазо додан: to punish, to give punishment
фармон додан: to order, to give an order
баҳо додан: to grade, to give a grade