Install fonts-adf-gillius by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-adf-gillius
Description:
Gillius font of the Arkandis Digital Foundry
This is the Gillius font of the Arkandis Digital Foundry, a purified variation to Gill sans.
Homepage: http://arkandis.tuxfamily.org/
Version: 0.20110505-1
Section: universe/fonts