[頂「いただ」]く => Received N4
Give and take advice
て[頂「いただ」]く => Do for N4
Give and take advice
[要「よう」]するに => A. In short/put simply, B N2
Adjectival, Descriptions
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
て[頂「いただ」]けないでしょうか? => Could you please A for me? N4
Secondary Verb
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous