### Clue: Go with diamonds, after a two initially precedes card below jack (6)
### Answer: ATTEND 
 ### Explanation: Definition: Go with
 D(abbrev. for the suit of diamonds, in card games) **placed after**(after) [A + **1st letter of**(initially) "two" **placed before**(precedes) TEN(the next playing card, in descending order, to a jack) ].
Answer: To accompany or escort, eg. a servant to the master.