に先立って => before; prior to ~ N2
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
に先駆けて => prior to; to be the first (pioneer); being ahead of ~ N1
~んがため(に)/~んがための      => in order to ~ N1
~づめだ      => full of N1
ため => In order to, for N4
Purpose, target
めったな => hardly; rarely; seldom N2
Ban
ずくめ => completely; entirely; nothing but ~ N1
せめて => at least; at most ~ N2
ため(に) => For, because… N4
Cause and Effect
をはじめ/をはじめとする => For example, A N2
Lists, Examples
~をこめて => filled with; full of N2