ADJ.
long, main
VERB + BACKER
convince
BACKER + NOUN
hamas, polisario
noun
One who, or that which, backs; especially one who backs an entrant in a contest, or who supports an enterprise by funding it.
name
A surname.
noun — invests in a theatrical production
The backer is waiting to see how the deal pans out.
Algeria is the main backer of the Polisario Front that seeks independence in Western Sahara.
Tom managed to convince his backer that he was on the verge of a breakthrough in his research.
Iran has long been a backer of Hamas.