My RP got stolen

I just went on my account today, and i see that i gifted a summoner named *<Name Removed>*, with two champion skins, and one ward skin. I didnt ever gift this summoner, niether did i accept him as a friend. I was saving for skins, i had over 2000 RP, and now i just have 95. What do i do? How do i get it back?
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