wear on one's sleeve

verb1

•
To express (an emotion, belief, or stance) overtly and make it an important part of one's public life.
- But religion is the one thing they encourage you to wear on your sleeve. — 2008

forms

wore on one's sleeve · wore something on one's sleeve · worn on one's sleeve · worn something on one's sleeve · wearing on one's sleeve · wearing something on one's sleeve · wears on one's sleeve · wears something on one's sleeve