てください => please do N5
てくださる => to give N4
Benefit
~てください => Please do ~ N5
Asking and Telling
お…くださる => Please do ~ (honorific) N3
Respectful, humble
させてくれる => Let me... N4
Allow
~くさい => full of N / looks like N N1
Situation
させておく => Leave it alone, don't interfere N2
Position, perspective
ないでください => please don't do N5
をください => Please give me N N5
Asking and Telling
て[下「くだ」]さる => Do for someone N4
Give and take advice
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
~ないでください => Please don't do~ N5
Asking and Telling