[kahlonel]

Actually OP IS a customer. Upwork gets 20% out of his pay for being a glorified invoice generator.

[dvfjsdhgfv]

I'm pretty sure Upwork doesn't seem it that way, as their actions clearly show.

[vkou]

Employees of a temp agency are not customers, even though the agency takes XY% of 'their' pay.

If you do enough mental gymnastics to argue that they are... Well, then the word has lost all meaning.