I know it’s a stupid question, but I can’t find the answer. 
what do you mean? You can send the community link to anyone interested in the #starknet ecosystem.
hhhhhh，yeah！the question so stupid
Click on your profile → preference → and there you will see an “invite” option. Create a link and share it with anyone.
Just need to share the link
ya,maybe he wanna a Bounty for it 
@Dev
How to invite people? - #7 by btw
Just sent this to my classmate and He registered successfully with this link.
it’s worked indeed. 
@btw