The ban was for Constant Rulebreaking/Deathmatch. From the point when I spectated you, I did not see any good roleplay attempts. I've heard your story about what happen before it, but I still believe it was deathmatch during that situation since you just shot at Dhia when he just stood there.
However the ban was also based on your punishment list since your last ban:
Ban Constant rulebreaking, deathmatch May 13th 2019 Hubert_Svensson
Warning Deathmatching, /q to avoid the punishment. May 13th 2019 [TCL]Mark_Daniels
Tempban Constant rulebreaking, read the rules on forum. May 11th 2019 [GSF]Henry
Kick AFK as Suspect May 8th 2019 Tom_Evans
Warning Unacceptable behaviour over PM May 7th 2019 KJones
Warning Refusing to Roleplay May 6th 2019 KJones
Warning Car DeathMatching May 4th 2019 KJones
Warning CarKilling May 2nd 2019 KJones
Warning DeathMatching April 27th 2019 KJones
Tempban Carkilling, lying to administration April 25th 2019 [Rstar]Claude
Warning AFK as suspect April 24th 2019 KJones
Warning /q to avoid roleplay. April 21st 2019 [Rstar]Bas