I can see paying off my your parent's mortgage [if I could], they did after all give me free board and food for ~18 years etc. I do after all owe them. I'm not

I can see paying off my your parent's mortgage [if I could], they did after all give me free board and food for ~18 years etc. I do after all owe them. I'm not sure about friends and other family, they'd probably see it as an insult - I'd probably offer to help them get training/education either as a loan or a gift [again if I could].