You can avoid the limit of "only two allowed players with the Loner skill". To do this you buy the extra ones with the "Buy a player" button on the 3D player view screen accessed by double-clicking the player type line in the players purchase screen of a race.

It seems the loner limit is not checked when you press the "Buy a player" button. The limit does prevent you from buying a third loner if you click the coins on the left or the "Buy" button on a race player purchase screen but not here.

Currently you can buy three trolls for a Jade College this way. In the future this bug likely allows avoiding the "only two Loners" rule on also all other colleges where the race mix makes it possible to buy more than two.

It seems this issue has received an unannounced fix by the method of removing the "Buy a player" button from the 3D player view screen [EDIT] when you already have two Strength 5+ players [/EDIT]. Why so shy, guys? Surely a fix deserves to be announced in the patch notes. They haven't been burdensomely long to read.

EDIT: I take it all back!