'Atone' in the Bible

And it cometh to pass, on the morrow, that Moses saith unto the people, 'Ye -- ye have sinned a great sin, and now I go up unto Jehovah, if so be I atone for your sin.'

'And the Levites lay their hands on the head of the bullocks, and make thou the one a sin-offering, and the one a burnt-offering to Jehovah, to atone for the Levites,