lean on

Short definition from Wiktionary

Verb

1. 1
   Used other than figuratively or idiomatically: see lean, on.
2. 2
   To depend upon for support; to require assistance from.
3. 3
   To put pressure on; to attempt to compel a person to do something; to exert influence on.
4. 4
   To criticize or reprimand for the purpose of changing behavior.