You need to check IR for this.
Descriptions of beta I saw are a little "dark" and impressionable N-Fe types may don't like this image and then reject the possibility to be beta just because "beta is bad". As I think you are introvert according to your video, INFP variant is among possible there (ISTJ is too doubtful).
Recently I saw here INFP Fay wich thought INFJ as her type, then she wrote xNFP in profile.



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