To survive make sure you have the hit points don't short change Con 14 minimum 16 even better
Take toughness feat keep all of your hit points. You can buy a shawl of life keeping and a ages of recovery necklace.
I have a cleric of the trickery domain that give him inviability. so I can go invisible. While invisible I can heal, channel and summon and keep my inviability. Cast vanish on the rogue so they will do their job. If you are always drafted as the front line fighter you need better weapons damage and armor and the bard should have your back healing you,