1901 - I read the occupation as Super Master.
Super is maybe an abbreviation for supernumerary - this can be an actor who’s basically an extra and doesn’t speak any lines.
There were three departments in a theatre, the heads of which reported to the stage manager: property-master, stage-carpenter and super-master (and in a huge theatre also a wardrobe-mistress. The super master kept a list a names and addresses of people who may be required as "extras" or "supers" on an "as-and-when" basis (ie supernumerary). They would drill these "extras" on an almost military approach.
I can't see any theatre or employer referred to in 1911, in 1901 he was at the Royal Theatre
In July 1895 he had been employed as a warehouseman at More and Gambles (he was resident at Bramber street). He brought a charge of assault (in Brunswick road)against two women who lived in Lansdowne Road, though it was dismissed.