Hello native English speakers.
Which of these two sentences is grammatically correct?
Do they have the same meaning? (what is the meaning of it?)

1. I have learned to be dangerous upon points of honour since I served the Spaniard.
2. I have learned to be dangerous upon points of honour since I have served the Spaniard.

Question

Hello native English speakers.
Which of these two sentences is grammatically correct?  
Do they have the same meaning? (what is the meaning of it?)

1.   I have learned to be dangerous upon points of honour since I served the  Spaniard.
2. I have learned to be dangerous upon points of honour since I have served the  Spaniard.

Answer

1. You no longer serve the Spaniard.
2. You still serve the Spaniard. '... since I have been serving ...' would be better.

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