Here is some for the other 3:
・Farmer: Nouka / Nōka (農家); also called Noumin / Nōmin (農民), Hyakushou / Hyakushō (百姓)
・Mountain Ascetic: Yamabushi (山伏); also called Nobushi (野臥 or 野伏)
・Tea Master: Sajin or Chajin (茶人); also called Sadouka / Sadōka (茶道家), Cha-no-Shisou / Cha-no-Shishō (茶の師匠), O-Tsume (御詰)