B767 FLC RECEIVED CONFUSING TAXI INSTRUCTIONS AT A FOREIGN ARPT.

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ATL TO BRU. AFTER AN 8 HR FLT AND AN UNEVENTFUL LNDG AT EBBR ON RWY 25R; WE CLRED THE RWY AND WE WERE ISSUED TAXI INSTRUCTIONS TO TAXI TO SPOT (JETWAY) VIA THE INNER TXWY (WHICH PARALLELED RWY 25R). THE CTLR WAS SPEAKING IN 2 DIFFERENT LANGUAGES TO VARIOUS ACFT AND WE (THE CAPT; MYSELF AND THE RELIEF FO) THOUGHT WE HEARD TO TAKE TXWY M TO THE RAMP. UPON APCHING TXWY M; THERE WERE 3 ACFT IN FRONT OF US READY TO TAKE OFF ON RWY 25R AND ON THE INNER TXWY PAST TXWY M TO THE R WAS AN ACR B767 UNDER TOW; SO A R TURN INTO THE COMMUTER APRON LEADING TO TXWY M MADE SENSE. UPON TURNING WE NOTICED THAT TXWY M (200 FT IN FRONT OF US; NARROW AND ASPHALT) DID NOT LOOK ADEQUATE (WHICH OUR COMMERCIAL CHART VERIFIED FOR B737-400 OR LESS GROSS WT ONLY). GND ASKED US TO STOP AND COULD WE MAKE A L 180 DEG TURN BACK TO THE INNER. A DASH 8 ACFT WAS 100 FT TO OUR R AND A CURB WAS 200 FT TO OUR L. WE ASKED FOR MARSHALLERS AND WING WALKERS AND STARTED #2 ENG AGAIN FOR THE TURN. WE SIGNALED 2 INDIVIDUALS NEAR THE DASH 8 TO CHK OUR WINGTIP CLRNC AND FOLLOWED THE MARSHALLER'S SIGNALS 200 FT IN FRONT OF OUR ACFT. THE RELIEF FO WAS STATIONED IN THE R WINDOW TO OBSERVE WING WALKER'S SIGNALS AND WINGTIP CLRNC. APPROX 1/2 WAY THROUGH THE TURN; THE CAPT STOPPED THE ACFT AS HE WAS UNSURE IF THE NOSEWHEEL WOULD CLR THE CURB 80 FT IN FRONT OF US. WE ASKED FOR A TUG WHEN THE MARSHALLER SIGNALED WE HAD CLRNC AND TO CONTINUE THE TURN. PWR WAS ADDED WITH THE DASH 8 APPROX 100 FT BEHIND US. I MENTIONED TO THE CAPT TO LIMIT HIS PWR AS THE ACFT/PERSONNEL MIGHT BE BEHIND US. THE TURN WAS MADE; A TAXI WAS ACCOMPLISHED TO THE GATE. WE LATER HEARD THAT A WING WALKER MAY HAVE INJURED HIS HAND (COULD NOT CONFIRM). THE CAPT WAS ASKED TO FILL OUT A RPT OF THIS OCCURRENCE FOR THE ARPT MGR. TWR PERSONNEL WERE PRESENT AT THIS MEETING. HE STATED THAT THERE WAS NO DAMAGE TO THE DASH 8 AND THE WING WALKER WAS FINE AND 'BACK ON THE JOB.' (CAPT RELATED.)