What are the database admin roles?

clusterAdmin		addShard closeAllDatabases connPoolStats connPoolSync _cpuProfilerStart _cpuProfilerStop cursorInfo diagLogging dropDatabase	enableSharding flushRouterConfig fsync db.fsyncUnlock() getCmdLineOpts getLog getParameter getShardMap getShardVersion	hostInfo db.currentOp() db.killOp() listDatabases listShards logRotate addShard closeAllDatabases connPoolStats	connPoolSync _cpuProfilerStart _cpuProfilerStop cursorInfo diagLogging dropDatabase enableSharding flushRouterConfig fsync
		db.fsyncUnlock() getCmdLineOpts getLog getParameter getShardMap getShardVersion hostInfo db.currentOp() db.killOp()	listDatabases listShards logRotate moveChunk movePrimary netstat removeShard repairDatabase replSetFreeze	replSetGetStatus replSetInitiate replSetMaintenance replSetReconfig replSetStepDown replSetSyncFrom resync serverStatus setParameter	setShardVersion shardCollection shardingState shutdown splitChunk splitVector split top, touch unsetSharding

More Info: docs.mongodb.org/manual/reference/user-privileges