There’s always challenges faced by nonprofits, money is normally the most common thing we hear about, comments like – “we need money now to save …..” “we need your support to help …. ” are common.
Other areas that your non-profit may be facing challenges may include:
Staff retention
Supporteracquisition
Supporter retention
Getting your message out
Use of new tools and technology (e.g. social media)
Supporteracquisition
Supporter retention
Getting your message out
Use of new tools and technology (e.g. social media)
If there’s a challenge your nonprofit is facing, leave a comment below and we’ll see what we can offer to help.
charitymattersnz.com 
I would definitely say "getting the word out". Marketing, whether it be online or offline can be challenging sometimes.