+export const isRunner = participant =>
+ participant && participant.roles && participant.roles.includes('runner');
+
+export const isTournamentAdmin = participant =>
+ participant && participant.roles && participant.roles.includes('admin');
+
+export const isTournamentCrew = participant =>
+ isTournamentAdmin(participant) || isTournamentMonitor(participant);
+
+export const isTournamentMonitor = participant =>
+ participant && participant.roles && participant.roles.includes('monitor');
+