repeatedly contacting or insisting on speaking to a member of staff who has been dealing with your issue or complaint after the matter has been closed or the issue has been addressed
cysylltu’n fynych neu fynnu siarad ag aelod staff sydd wedi bod yn ymdrin â’ch problem neu gŵyn wedi i’r mater gael ei gau neu wedi i swyddogion fynd i’r afael â’r mater