Guild Wars 2

I am currently working on defense in Stronghold. What class seems optimal to destroy doorbreakers who are being escorted by an enemy player?

I am thinking a tanky class with AOE? Ideally could also heal the Lord later.

Thoughts?

a) DH as DPS
b) Condi-Trapper Druid
c) Revenant b/c of #4
d) Treb

Grenade engi. Spammable AoE CC and DPS at the same time.