The person has not added you as a fried. The image below shows a gray arrow next to Gary Vaynerchuk's Snapchat username. The social media guru is more active on Instagram therefore sending him a direct message via IG would be a smart move. You could ask him your question directly on IG or ask him to add you on Snapchat via IG.
|Gray Arrow On Snapchat|
There are numerous additional arrows on Snapchat. The red arrow means you've sent a Snap that doesn't include audio. When you see a white arrow outlined in red it means the recipient has opened your message which doesn't include audio. The purple arrow means that you've sent a Snapchat message that includes audio.
The white arrow outlined in purple means the recipient opened your message which includes audio. The blue arrow means you sent a Chat. The white arrow outlined in blue means the recipient opened the message. Finally, the white arrow outlined in green means the recipient has viewed and received cash.