451
Well yes, but actually no
(jlai.lu)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
When referring to people usually the male form is used as the neutral form, so probably it's the best form to use in this case. Some people are trying to reintroduce the latin neutral in romance languages but at least in Spanish and Portuguese it ends up sounding a lot with the male form.