There are many including LoyceV, yahoo62278, Hhampuz, The Pharmacist, AB De Royse777 and more whom I would trust with significant money.
But if I had to name one user only, I would say it's suchmoon.
I appreciate it... and vehemently disagree LOL. I'm absolutely certain there are users on here that are much more deserving of that title than me.
I trust him the most because of his long history here and especially his action to save potential scam when Gleb Gamow account was on sold-
https://bitcointalksearch.org/topic/m.40231840Can't remember now how much he spent to acquire this account as I read this long ago. It could be one of the biggest scams if a scammer would have access to that account. suchmoon purchased the account to save the community.
Gleb/Bruno was a friend. I tried to help him out because he needed money at the time, and being able to prevent the account from getting sold to some scammer or shitposter was more of a side effect, although it did have a lot of sentimental value.
Honestly (no pun intended) I don't even remember the amount. Probably around
BTC0.1 but I may be off by an order of magnitude. I didn't post the amount publicly at the time, not sure if Bruno ever did.