Related Clues:

• Criminal with stiff upper lip, for starters, doesn't lack diplomacy?
• Envoy's certificate and first of testimonials
• eg Attaché, ambassador
• Limp toad (anag.)
• Losing time, ask for specialist advice from official working abroad
• eg Ambassador
• Tactful person receives certificate on time
• Endlessly refer to government official working abroad
• Official document's put before Tory leader
• Diplomat abroad
• Endlessly seek advice from diplomat
• Diplomat studies when provided with university lecturer
• Envoy bringing certificate on time
• Consul's certificate on top of table
• As negotiator, admit failure hosting Arab group