'Intervene' in the Bible

He saw that there was no man,And was amazed that there was no one to intercede [on behalf of truth and right];Therefore His own arm brought salvation to Him,And His own righteousness sustained Him.

Therefore He is able also to save forever (completely, perfectly, for eternity) those who come to God through Him, since He always lives to intercede and intervene on their behalf [with God].

and swore [an oath] by [the name of] Him who lives forever and ever, who created heaven and the things in it, and the earth and the things in it, and the sea and the things in it, that there will be delay no longer,