It's often caused by mispronunciation because they hear
p and f letter in their local language is relatively similar, so that's why they write
frofit instead of profit. If you search
frofit word on this forum you will see many people misspelled that's word.
But I agree somewhat they looks like have a connection
rika0223 avarnetThe last active of both user are close
"Last Active: Today at 04:47:53 AM" [1]
"Last Active: Today at 04:46:03 AM" [2]
@avarnet is a user since 2013 and @rika0223 is a user since 2017 but I can't find their other Proof of Authentications except the latest campaign (assuming they're active bounty hunters) so much likely they already delete their POA to make harder to trace them.
[1]
Archived[2]
Archived