I highly recommend your dad get Age Verified here. There are retailers who can offer a much better selection and prices than the common 'Canadian Airsoft' stores you find online. Most retailers have a website too, but they're not the ones that'll usually pop up at the top of a google search.
If he plays alongside you, you should have no issue coming out to games. Besides, from an early impression you sound much more mature than the normal 16 year old kidiots. That's all the community really looks for.
H&K G36c (KWA) / Glock 18c (TM) / Kimber LAPD SWAT Custom (TM) / Mossberg M500 (ACM)