Well I'm reading through it right now, I recall reading about Abiathar like 14 years ago in high school but I'm seeing Ahimelech now as the one who gave him the shewbread? He was killed along with pretty much everyone else except Abiathar his son who escaped to tell David and to abide with him in safety.
I'm sure there's more because that name doesn't stick out to me for no reason, I'll keep reading after I get done working. Love to see questions where you have to dig a bit