2. In this Act, unless there is anything repugnant in the subject or context,-(a) “ex-Government servant” means any person who was, at any time, appointed or employed as an officer or ¹[employee of the Government] and has ceased to be so appointed or employed;(b) “foreign agency” means any office or establishment of the diplomatic or consular representative of a foreign Government by whatever name called, and includes any information, public relations, trade or commercial agency, service centre or foundation established or maintained by any such Government or by any person who is a national of a foreign country; and(c) “foreign Government” means the Government of a foreign country.