Fixer Theme - Tagline NOT showing

I'm using the Fixer theme.

I have entered the fields Site Title and Tagline.

The Site Title shows perfectly. However, the site's tagline does not show regardless of what I do.

I only want the tagline to appear on the homepage of the site rather than every page otherwise I would put the tagline into the Site Title (which support did).

How do I fix it so that my tagline will show?

Thanks