General Information:

In verses 15-19 Zophar tells Job the things that will happen if Job does what Zophar spoke about in verses 13-14.

lift up your face without a sign of shame

"Lifting up your face" represents the attitude of a person who is confident and brave. (See: rc://en/ta/man/translate/figs-metonymy and rc://en/ta/man/translate/figs-idiom)