The mere fact of one's citizenship affects the reception of one's message. A Western Christian worker in the twenty-first century cannot assume that he or she is bringing the message of the Gospel as Paul did, for Paul was a Roman citizen, traversing the provinces of an empire is which his language, his ethnicity, and even his views were given a fair and legal hearing (e.g., as in Acts 22). He was free to travel and speak as he saw fit. The situation is different today for Western missionaries.
from David Grafton's article in IBMR 31:3, 'The Legacy of Ion Keith-Falconer'