Lots of things, obviously, but to take one: Myrmecophobia is the fear of ants.
People are afraid of anacondas and alligators. They begin with the letter a.
Some things that people may be afraid of the start with S are:schoolsharksshotsskunksSmelly armpitssnakessinspeedersspidersstate troopers
Horses
alligatoranacondaapeaccidentairplane
snakesskunksspidersstrangersstorms
Robberies,Robots...cuz
ANTS ASTEROIDS all i can think of
Tigers. T-rex. Torture. Tourists. Tactics
AR Many people believe it is AK, but that is Alaska.
they ar little recks hiya Nathan hiya Eleanor
Being a people-person basically means you're good with people. You're not afraid to start a discussion and people like being around you.
Rats is the most obvious. Rabies would be another one.