You should be able to set your profile visibility to private, and still continue to send proposals to jobs that interest you. If your profile is set to private, it will not show up in search results. The clients who receive your proposals are the only ones who will be able to view your profile.
You may read more about setting your profile visibility here.
Juvy Ann P. stated:
My hypothesis was correct. Avery is a man.
That would be news to her.
I have the greatest respect for Valeria, but I have to pass on "buckwheat with sour cream and soy sauce"
"No good deed goes unpunished." -- Clare Boothe Luce