My confidence is wavering.

He wavered between going home and remaining at work in the office.

Tom's faith in Mary never wavered.

Thus while they waver and, perplex with doubt, / urge diverse counsels, and in parts divide, / lo, from the citadel, foremost of a rout, / breathless Laocoon runs, and from afar cries out: / 'Ah! wretched townsmen! do ye think the foe / gone, or that guileless are their gifts? O blind / with madness! Thus Ulysses do ye know?'"

Somebody who wavers between hope and fear over superficial things should not be appointed to a management position.

Sami's support never wavered.

I waver in my mind, a place just for me.

Now my mind began to waver, whether I should return to business which I had given up, or pursue religion which was fleeing from me. In the meanwhile it came to my mind that they might be brought together.

Tom is wavering.

He's wavering.