For me, hand's down, it's "Expert". Mainly because the "experts" don't know what the they are doing.
I no doubt missed many words so feel free to add in comments.
You only take that position because you're not expert in anything and you don't understand the significance of expertise. Pathetic.
I know how to use expertise, which is usually tunnel visioned.
If your house is on fire, that is classed as a hazard, as covid is a hazard. What do you do?