... 前に => Before ... N4
Relationship before and after
はさておき => setting aside ~ N2
Trend
さん => Mr., Mrs., Ms. N5
Respectful, humble
お…くださる => Please do ~ (honorific) N3
Respectful, humble
... 前に => ... in front of, before N4
Relationship before and after
前に => before; in front of ~ N5
させておく => Leave it alone, don't interfere N2
Position, perspective
を前提に => On the premise of N1
Premise
手前 => considering; before; in front of; one’s standpoint N1
~なさんな => (Please) do not, Do not, Don't (prohibitive) N1
Ban
なんともおもわない => think nothing of N3
Invariant
させてください/させてもらえますか/させてもらえませんか => please let me do N3