Question: how to make someone your friend?
Answer: Highlight a similarity. Friendship is born at that moment when one person says to another: “What! ... 
Ask them a question. Asking someone a question is another option. ... 
Pay them a compliment. Compliments from strangers or people we don't know that well can be so powerful. ... 
Offer help. ... 
Use humor. ... 
Be upfront.