其奴[soitsu] that person (guy, fellow)
其処[soko] there (place relatively near listener)
其処いら[sokoira] that area
其処ら[sokora] everywhere
其方[sochira] that way (direction distant from the speaker, close to the listener)

其の[sono] that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener)
其の上で[sonouede] moreover
其の為[sonotame] hence
其の後[sonoato] after that
其の実[sonojitsu] in fact

為せる[saseru] to make (someone) do
其の為[sonotame] hence
の為に[notameni] for the sake of
スパイ行為[supaikoui] espionage
為め[tame] good

為さる[nasaru] to do
為しおえる[nashioeru] to accomplish
為しおわる[nashiowaru] to finish
為す[nasu] to build up
為て遣る[shiteyaru] to do for (someone)