Just for the lack of appropriate term thinking that will come down and "sponsor". Confess ...
Ni v koem sluchae ne hotel vas lovit 'na netochnostiah, prosto schitaiu svoei zadachei sistematicheskii podhod k terminologii, chto v dal'neishem pozvolit vsem obschat'sia na odnom iazyke (hotia i raznymi bukvami).
In general, the theme of "the artist, sponsor, benefactor" - a topic for another discussion. There are many different options.
Da, etu temu razvit 'bylo by interesno.