The fear of people to your right is dextrophobia.
The fear of having people to your left is anthropophobia.
And the fear of having people behind you is homophobia.
My wife asked me, “What did you buy me for valentines day?”
“Well,” I chuckled. “You see that pink Mercedes over there?”
“Yes,” she said happily.
“Well I bought you a toothbrush the same colour.”