Toxicity cannot be resolved, you can ban every toxic player from here, they gonna evade and return everyday.
New players depends on their personality can become toxic like old players Just by playing or they just non-toxic and are chill, its not something we can totally prevent obviosly.
Chat filter Is something that requires scripting, and as said should be used as part of escalation (warn / filter / mute /infract /ban)
The spokeman can be either a good way to bridge staff-community or simply a waste of time.