@mg2017 , @rustyshackles Tried this instead-
var id = nlapiGetUser();
var role_id = nlapiGetRole();
var name = nlapiLookupField('employee', id, 'firstname');
var role = nlapiLookupField('employee', role_id, 'role');
nlapiLogExecution('DEBUG', 'User Name', name);
nlapiLogExecution('DEBUG', 'User Role', role);