1st-lvl Feat:
Cautious Fighter (+2 to AC when Fight Defensively or Total Defense)
Ftr-1st Feat:
Blundering Defense (Adjacent allies get half +AC from F.D./T.D.)
The above two Feats synergize, see below:
If Lem is Fighting Defensively:
He takes -4 to hit, gets +2 AC (and +2 from Cautious Fighter = +4 AC)
Adjacent allies get +2 AC from Blundering Defense
If Lem is using Total Defense:
He makes no attack, get +4 AC (and +2 from Cautious Fighter = +6 AC)
Adjacent allies get +3 AC from Blundering Defense
I just see this little dude flailing and blocking underfoot with a little staff... it cracks me up. "Knobkerry! Shillelagh! Block! Thrust! Bronboru! Dodge! Ha-hah! I'm pretty good with a bo staff..."