The article below is just a basic introduction to the topic. For something more advanced, written by pros and a fantastic leveling guide, my recommendation would be this Elder Scrolls Online Leveling Guide. I could not find any other guide that comes even close in terms of the impact it had on me.
The Khajiit are a proud feline race that swore allegiance to serving Queen Ayrenn after she saved them from Knahaten Flu outbreak. With the help of the Altmer, the Khajiit’s population was slowly restored until numbers grew, stabilizing the entire population.
As one of the great and fierce some warrior of the Aldmeri Dominion, the Khajiit contain a hedonistic look on life. Although the do not possess great magical capabilities, their ability to wield weapons plus execute battle formations are quite extraordinary.
They are the Dominion’s strong arm who are willing to give their all to Ayreen whom saved them from an impending extinction.