Sponsor (6)
'sponsor' is the definition.
(someone backing or sponsoring something)
This is all the clue.
(Other definitions for backer that I've seen before include "Person supporting another financially" , "Patron or supporter" , "A supporter or a betting man" , "Angel" , "Financial supporter" .)
'sponsor' is the definition.
(I know that sponsor can be written as patron)
This is all the clue.
(Other definitions for patron that I've seen before include "With help, he" , "Patrick for Ireland, for example" , "One gives financial or other support, to an artist say" , "Saint" , "Regular customer or sponsor" .)