Combine Pineapple (1 cup), Tomato (1), Red Bell Pepper (1/2), Red Onion (1/2), Garlic (1 clove), Jalapeño Pepper (1/2), Ground Cumin (1 pinch), and Salt (1 pinch). Cover, and set in the fridge.
Cut Avocado (1) in half lengthwise. Give the seed a nice whack with your knife, then rotate the knife to pop out the seed. Set avocado skin side down and cut each half into 4 equal sized pieces (8 pieces in total), then gently peel the skin off of each.