friends

"Bhishma said, 'Kings, O monarch, have five kinds of friends. They are

1. he that has the same object,
2. he that is devoted, 
3. he that is related by birth, and 
4. he that has been won over (by gifts and kindness). 
5. A person of righteous soul,

http://www.sacred-texts.com/hin/m12/m12a079.htm