An optimist.
That depends on the circumstances. The person might be confident, overconfident or stupid.
A businessperson. Hopeful An entrepreneur Enterprising Ambitious.
The person is an optimist.
The person is an optimist - always looking on the brightside.
The person is an optimist - always looking on the brightside.
Optimistic. Hopeful. Happy.
They are optimists. Less formally they are upbeat.
The noun form of the adjective 'hopeful' is hopefulness.
The person is an optimist - always looking on the brightside.
welll you feed it you give it a roof and they will hopeful be grateful
more hopeful and most hopefulmore hopeful, most hopeful