Prestige Classes

[Blue]

Here's a good choice, then. Pick Monk to start with, and make sure you get improved disarm. Most melee combatants are utterly fucked when they lose their weapon. Then pick up the Reaping Mauler PrC. Fighter's typically suck in grapple too, so you'll have even more of an advantage. Unlike most monks, don't worry so much about Wisdom and Dexterity and instead focus on Strength and Constituion, to make you harder hitting and boost your HP.

That should do it.