Ollam

Coronation of Alexander III as King of Scots, 1249. He is being greeted by the Ollam rígh Alban, the royal ollam of Scotland, who is addressing him with the proclamation Benach De Re Albanne ("God Bless the King of Scots").

An ollam or ollamh (Old Irish: [ˈol͈aṽ]; anglicised as ollave or ollav), plural ollomain, in early Irish literature, was a master in a particular trade or skill.[1]