I want to say "I come nearer to you". Which of the following is the correct way to say it ?

qachol

SoHDaq jIchol

SoHDaq vIchol

SoHDaq qachol

And being on the subject..

Regardless of {chol}.. Is the word {SoHDaq} second person ? or is it third person ?

I believe the correct sentence is SoHDaq jIchol. chol means the subject gets closer to something. Adding SoHDaq means the place at which you're standing is where the action come closer occurs. This parallels SoHDaq Sum raS You are near the table. The location that the nearness takes place is you.

SoHDaq is in the second person.

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SuStel
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