unburden
un- + burden
https://gyazo.com/a4a6fc37ac4daa5d7772b60b6dcf89b8
source: [ワンパンマン 大荷物を下ろすジェノス｜無料GIF画像検索 GIFMAGAZINE 3981278]
verb with object
relieve (someone) of a burden.
【荷などを】〈人〉から降ろす «of»
relieve (someone) of something that is causing anxiety or distress:
〖～ oneself〗 «人に/…のことで» 胸の内を打ち明ける «to/of»
e.g. the need to unburden yourself to someone who will listen.