If you'rs a foreign tourist, you can go to Jaipur station tomorrow (no later) and book 2 tickets on the foreign tourist quota, there's still 3 available in 2A.
2 advantages of doing this.
1, despite you holding WL1, there's a reasonable chance that ticket will not get confirmed, this is because the Jaipur quota is very small and there's already a big enough waitlist on the Delhi quota to use up any unsold quota tickets.
2,...
more... even if the ticket does get confirmed, it's unlikely that you'll be seated together, although you should be in the same carriage, if you book FTQ tickets you will be seated together.