Garaí is the Irish for Gaurds. There is thousands of Irish words in general use. The Irish language has been around for yonks. Personally, Im crap at Irish, I also live in an Irish speaking area! (Galway)
The Irish language is the hardest language to learn, in my opinion. If you get a sentence in English and Translated it into Irish, it would come out backwards.
I do Ordinary level Irish. I barely pass it. So, in other words, I suck!
Hope that helped.