'Shy' in the Bible

So Elihu the son of Barachel the Buzite spoke out and said,“I am young in years and you are old;Therefore I was shy and afraid to tell you what I think.

“Who sent out the wild donkey free [from dependence on man]?And who has loosed the bonds of the wild donkey [to survive in the wild],

It laughs at fear and is not dismayed; it does not shy away from the sword.