Hi Jan,
There are numerous shipping records for this man 1890 - 1893 aboard the Aramac arriving in Sydney. Was he a mariner? He certainly seems to be - he is travelling the east coast of Australia
From Cooktown 17 Feb 1890 Cooktown age 32 Origin Larm (Robert)
From Melbourne 30 Feb 1890 aged 32 Origin Larm (Robert)
From Melbourne 5 May 1890 aged 31 Origin Belfast (Robert A)
From North 25 May 1890 aged 31 Origin Belfast (Robert A)
From Cooktown 23 Jun 1890 aged 32 Origin London (Robert)
From Northern Ports 18 Feb 1892 age 33 aboard the Fitsroy Origin Lorne (Robert KEEL) note diff ship
From Melbourne 3 Mar 1893 aged 35 Origin Melbourne (Robert A)
From Melbourne 4 Apr 1893 aged 35 Origin Ireland (Robert Allan)
From Cooktown 24 Apr 1893 aged 35 Origin Ireland (Robert Allan)
From Cooktown 22 May 1893 aged 35 Origin Larne (Robert A)
From Cooktown 26 Jun 1893 aged 35 origin Larne (Robert A)
Cheers Kris
