If you can, you should.

Yes it is.

As his friend it's your duty to keep a check on him & help him even if he doesn't ask for it.

No

Yes you should. It will make a greatest impact if you add some values in ones life.

Yes

Yes! It's more important to help those who don't ask for it

If you think that your friend needs help then , yes

Yessss. Its in u by default n may be in him for not asking sso go For it

It should be moral help, emotional help. But never bring money transactions between friendships! It will certainly ruin everything!