I encountered it many times, there is a player with a wrong name, it looks like identity theft but it isnt. If you get their real names (Sending them a friend request shows the real name) and write them with it, they dont even know something is wrong.
I guess that there is an issue in the...
Veteran skrimisher, Battania wildlings, Mounted skrimisher
Throwing/one hand/Athletics - Seems to have some wrong value. Upgrading makes troops have lowers skills?
Mounted skrimishers have 150 bow and 15 throwing.Obviously they don't have bows.
Oathsworn have 130 riding 80 Athletics...