It's been suggested Liverpool are eyeing Araujo as an alternative to Crystal Palace captain Marc Guehi for the January market.
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And former Reds striker Suarez has called his former Uruguay teammate about potentially moving to Anfield, reports E-Noticies.
Barca still need to make a major sale in January to be sure of being clear of their registration issues for the second-half of the season.
Araujo attracted interest from Manchester United and Chelsea last summer.