The Envoy

Kural-681
Benevolence high birth, the courtesy kings love
These qualities the envoy of a king approve.
Meaning : The qualification of an ambassador are affection (for his relations) a fitting birth, and the possession of attributes pleasing to royalty.
Kural-682
Love, knowledge, power of chosen words, three things,
Should he possess who speaks the words of kings.
Meaning : Love (to his sovereign), knowledge (of his affairs), and a discriminating power of speech (before other sovereigns) are the three sine qua non qualifications of an ambassador.
Kural-683
< Mighty in lore amongst the learned must he be,
Midst jav'lin-bearing kings who speaks the words of victory.
Meaning : To be powerful in politics among those who are learned (in ethics) is the character of him who speaks to lance-bearing kings on matters of triumph (to his own sovereign).
Kural-684
Sense, goodly grace, and knowledge exquisite.
Who hath these three for envoy's task is fit.
Meaning : He may go on a mission (to foreign rulers) who has combined in him all these three. viz., (natural) sense, an attractive bearing and well-tried learning.
Kural-685
< In terms concise, avoiding wrathful speech, who utters pleasant word,
An envoy he who gains advantage for his lord. .
Meaning : He is an ambassador who (in the presence of foreign rulers) speaks briefly, avoids harshness, talks so as to make them smile, and thus brings good (to his own sovereign).
Kural-686
An envoy meet is he, well-learned, of fearless eye
Who speaks right home, prepared for each emergency.
Meaning : He is an ambassador who having studied (politics) talks impressively, is not afraid of angry looks, and knows (to employ) the art suited to the time.
Kural-687
< He is the best who knows what's due, the time considered well,
The place selects, then ponders long ere he his errand tell.
Meaning : He is chief (among ambassadors) who understands the proper decorum (before foreign princes), seeks the (proper) occasion, knows the (most suitable) place, and delivers his message after (due) consideration.
Kural-688
Integrity, resources, soul determined, truthfulness.
Who rightly speaks his message must these marks possess.
Meaning : The qualifications of him who faithfully delivers his (sovereign's) message are purity, the support (of foreign ministers), and boldness, with truthfulness in addition to the (aforesaid) three.
Kural-689
< His faltering lips must utter no unworthy thing,
Who stands, with steady eye, to speak the mandates of his king.
Meaning : He alone is fit to communicate (his sovereign's) reply, who possesses the firmness not to utter even inadvertently what may reflect discredit (on the latter).
Kural-690
Death to the faithful one his embassy may bring;
To envoy gains assured advantage for his king.
Meaning : He is the ambassador who fearlessly seeks his sovereign's good though it should cost him his life (to deliver his message).