You can’t make visible armor as of now, but you can grant health boosts by having the maximum health be higher than what the players have at the start of the game, then they can buy upgrades that grant them health.
Also, welcome to the forum!
I recommend reading through this since it has many useful tips for new users. Is there a specific status effect you want to know about?
I don’t recommend excluding others since there are plenty of very intelligent people here who don’t have tl3 yet. Maybe rephrase that as “People with trust level three are very trustworthy, as they have been around for a while.”
There isn’t a way to add status effects like posioned, burning or frozen (because you can’t put negative health in a health granter but you can decrease/remove regenerating health for a short amount of time to create an illusion of getting poisioned or burned.
Here are some guides that may help you: