PREPARE the SALSA CRUDA FIRST: Combine all ingredients in a bowl. Set aside. Can be made ahead. If it is too tart for your preference, add sugar or Stevia to bring it to your preference. It can be tart.
Heat outdoor grill to medium heat.
PREPARE THE SKEWERS by alternately thread onto 12-inch metal the skewers: swordfish chunks with the vegetables.
Once assembled, GENEROUSLY brush skewers with olive oil.
Season the assembled skewers with your favorite seasonings on all sides (or use those recommended in the ingredient list above).
Salt and pepper the skewers to your preference level.
Grill skewers 10 - 15 minutes, turning every 3 - 4 minutes until swordfish is a bit golden on the edges and the vegetables are lightly charred.
For presentation: Place grilled swordfish skewers on a bed of red and green leafy lettuce.
Serve with salsa cruda and lemon slices.
BUON APPETITO!