Apparently that is not his Discord, but his friend's Discord who he is selling the account for. I have tried contacting him on the Discord that that person gave to me.
Screenshot - 61f78bc09408d1cbb0e3ffd25c75774b - Gyazo...
Seller's Sythe profile link: amnesianugss
Vouches if they were exchanged: Screenshot - 03f2dcbc8ab1ceb92f0e888738eec42e - Gyazo
Original selling thread: Selling> Perfect NEAR MAX 120CB Main (CHEAP)[1700 total][FCAPE,TORSO,VOID,BGLOVES]
Proof of payment: Payment was 90m OSRS, User Meowth MM'd...
Age: 18
Can you provide a deposit?: yes
previous experience: none, looking
hours per day you can work: 4-12
days per week you can work: 7
timezone: CST
any previous experience in the RS market?: Not particularly, have owned multiple RSPS's throughout the years and worked on stuff like that.